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From: Joshua Cranmer <Pidgeot18@verizon.invalid>
Newsgroups: alt.comp.lang.javascript,comp.lang.java.help,comp.lang.javascript
Subject: Re: Problem in other browsers than Internet Explorer
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Date: Fri, 01 Jul 2011 21:13:06 -0700
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On 7/1/2011 8:58 PM, Ilya Shambat wrote:
> I have code that works when I use Internet Explorer, but does not work
> when I use Mozilla Firefox.
>
> The code is
>
> 	var textpassed = document.getElementById(fieldname).value;
>
> where fieldname is the name of the field as defined in the document.
>
> Any other operations using similar code, such as
>
> 	alert ("In field " + document.getElementById(fieldname).name);
>
> returns valid results in Internet Explorer but not in Mozilla Firefox.
>
> Would anyone know the reasons for this, and is this possible to get
> around?

Despite the similarity in names, Java and JavaScript have nothing to do 
with each other.

Nevertheless, my first guess is that the "ID" you're getting is the name 
attribute of the field, and not the actual id field. 
document.getElementsByName may be more up your alley.

-- 
Beware of bugs in the above code; I have only proved it correct, not 
tried it. -- Donald E. Knuth